Excerpt from Manual of Wireless Telegraphy: For the Use of Naval Electricians This manual, first published in January, 1907, was revised in 1909 by L. W. Austin, Ph. D. The present (2d) revision contains the results of some of Dr. Austin's later researches as well as more detailed instructions relative to installation, care and operation, also additional appendices, containing extracts from Service Regulations adopted at the International Wireless Telegraph Convention in Berlin, October, 1906, and the U. S. Statute of 1910, relative to wireless telegraph apparatus on merchant vessels. The author is also indebted to Mr. J. Martin, of the Navy Yard, New York; Mr. Geo. F. Hanscom, of the Navy Yard, Mare Island; Mr. Geo. B. Clark and others for figures, illustrations and suggestions. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.